Use Online Form: Use our Contact Us form.


By Phone: MATHESON has many locations and product groups. To find the phone number most relevant to your location and your interests, please use our Location Finder (USA only).


By Email: the links below, when clicked, will open your email application.


By Mail: MATHESON, 166 Keystone Drive, Montgomeryville, PA 18936




In case of emergency:

  • Contact your local MATHESON facility (during off-hours, emergency numbers are recorded on answering machines)
  • For Bulk Storage leaks or emergencies, call MATHESON Logistics (Bulk ONLY): 1-800-284-0481
  • For Chemical Emergencies, call CHEMTREC: 1-800-424-9300
  • For Propane Emergencies, call INFOTRAC: 1-352-326-7611
  • In case of a gas leak, vacate the premises then call 911